Concrete Petrography
Sandberg is UKAS accredited to carry out concrete petrography and SEM analysis in accordance with ASTM C856 and APG-SR2.
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Concrete Block Testing for Pyrite, Pyrrhotite and Mica to I.S. 465:2018 + A1 2020
Testing of concrete blocks containing mica and pyrite-bearing aggregates in accordance with the methodology set out in Irish Standard, IS 465:2018 + A1 2020.
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Mundic Concrete
Sandberg has extensive experience with construction in South-West England where so-called Mundic concrete has been used in building construction.
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Scanning Electron Microscopy (SEM) and X-Ray Microanalysis
Sandberg’s Hitachi SU3500 VP SEM is capable of magnifications over x100000. Characterisation of soil microstructure, cement hydrate morphology and many other applications are possible.
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Sulfate Attack
Sulfate attack in concrete occurs when sulfate solutions react with the calcium aluminate hydrates present in the hardened cement to form the hydrated calcium sulfoaluminate.
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